Gaya APA

Feldhamer, G, A. et al (1999). Adaptation, Diversity, and Ecology Mammalogy . United Sates of Ameica: The McGraw-Hill Companies.

Gaya MLA

Feldhamer, George, A.. et al. "Adaptation, Diversity, and Ecology Mammalogy". United Sates of Ameica: The McGraw-Hill Companies, 1999. Text.